171996080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 410759424

約数和(自身を除く): 238763344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 107, 142, 214, 283, 284, 355, 428, 535, 566, 568, 710, 856, 1070, 1132, 1136, 1415, 1420, 1712, 2140, 2264, 2830, 2840, 4280, 4528, 5660, 5680, 7597, 8560, 11320, 15194, 20093, 22640, 30281, 30388, 37985, 40186, 60562, 60776, 75970, 80372, 100465, 121124, 121552, 151405, 151940, 160744, 200930, 242248, 302810, 303880, 321488, 401860, 484496, 605620, 607760, 803720, 1211240, 1607440, 2149951, 2422480, 4299902, 8599804, 10749755, 17199608, 21499510, 34399216, 42999020, 85998040, 171996080]

約数ペア:

[(1, 171996080), (2, 85998040), (4, 42999020), (5, 34399216), (8, 21499510), (10, 17199608), (16, 10749755), (20, 8599804), (40, 4299902), (71, 2422480), (80, 2149951), (107, 1607440), (142, 1211240), (214, 803720), (283, 607760), (284, 605620), (355, 484496), (428, 401860), (535, 321488), (566, 303880), (568, 302810), (710, 242248), (856, 200930), (1070, 160744), (1132, 151940), (1136, 151405), (1415, 121552), (1420, 121124), (1712, 100465), (2140, 80372), (2264, 75970), (2830, 60776), (2840, 60562), (4280, 40186), (4528, 37985), (5660, 30388), (5680, 30281), (7597, 22640), (8560, 20093), (11320, 15194)]